Show data table
| 1980 | 5.1% | 1996 | 7.8% | 2012 | 9.1% |
| 1981 | 5.1% | 1997 | 7.9% | 2013 | 9.2% |
| 1982 | 4.9% | 1998 | 7.6% | 2014 | 9.1% |
| 1983 | 4.8% | 1999 | 7.3% | 2015 | 8.2% |
| 1984 | 4.8% | 2000 | 7.3% | 2016 | 8.4% |
| 1985 | 5.1% | 2001 | 7.3% | 2017 | 8.1% |
| 1986 | 5.2% | 2002 | 8.1% | 2018 | 8.9% |
| 1987 | 5.1% | 2003 | 8.2% | 2019 | 8.1% |
| 1988 | 5.2% | 2004 | 7.7% | 2020 | 8.5% |
| 1989 | 5.3% | 2005 | 7.9% | 2021 | 9.4% |
| 1990 | 9% | 2006 | 8% | 2022 | 8.5% |
| 1991 | 9.3% | 2007 | 7.8% | 2023 | 8.2% |
| 1992 | 9.2% | 2008 | 8.2% | 2024 | 8.3% |
| 1993 | 10.2% | 2009 | 7.9% | 2025 | 7.9% |
| 1994 | 10.1% | 2010 | 8.4% | 2026 | 7.8% |
| 1995 | 10.1% | 2011 | 8.6% | | |
Show data table
| 1980 | 19.4B | 1996 | 177B | 2012 | 1.16T |
| 1981 | 22.5B | 1997 | 196B | 2013 | 1.33T |
| 1982 | 24.4B | 1998 | 207B | 2014 | 1.47T |
| 1983 | 27B | 1999 | 216B | 2015 | 1.49T |
| 1984 | 32.3B | 2000 | 234B | 2016 | 1.75T |
| 1985 | 39.1B | 2001 | 254B | 2017 | 1.88T |
| 1986 | 45.1B | 2002 | 303B | 2018 | 2.34T |
| 1987 | 50.7B | 2003 | 342B | 2019 | 2.4T |
| 1988 | 56.7B | 2004 | 352B | 2020 | 2.68T |
| 1989 | 64.5B | 2005 | 402B | 2021 | 3.3T |
| 1990 | 123B | 2006 | 461B | 2022 | 3.38T |
| 1991 | 141B | 2007 | 511B | 2023 | 3.7T |
| 1992 | 150B | 2008 | 616B | 2024 | 4.17T |
| 1993 | 174B | 2009 | 667B | 2025 | 4.38T |
| 1994 | 187B | 2010 | 799B | 2026 | 4.93T |
| 1995 | 210B | 2011 | 940B | | |
Show data table
| 1980 | 11% | 1996 | 9.8% | 2012 | 11.7% |
| 1981 | 10.3% | 1997 | 9.9% | 2013 | 12.1% |
| 1982 | 10.6% | 1998 | 9.8% | 2014 | 11.7% |
| 1983 | 10.6% | 1999 | 8.7% | 2015 | 11.5% |
| 1984 | 9.4% | 2000 | 9.8% | 2016 | 11.6% |
| 1985 | 9.3% | 2001 | 10.7% | 2017 | 12.2% |
| 1986 | 9.8% | 2002 | 10.4% | 2018 | 12.9% |
| 1987 | 9.5% | 2003 | 10.2% | 2019 | 13.6% |
| 1988 | 9.3% | 2004 | 9.9% | 2020 | 13.3% |
| 1989 | 9.6% | 2005 | 10.3% | 2021 | 12.9% |
| 1990 | 9.1% | 2006 | 10.1% | 2022 | 13% |
| 1991 | 8.9% | 2007 | 9.6% | 2023 | 12.6% |
| 1992 | 8.8% | 2008 | 11.5% | 2024 | 12% |
| 1993 | 9.7% | 2009 | 10.6% | 2025 | 10.9% |
| 1994 | 10% | 2010 | 10.6% | 2026 | 12.1% |
| 1995 | 10.5% | 2011 | 11.5% | | |
Show data table
| 1980 | 42.2B | 1996 | 223B | 2012 | 1.48T |
| 1981 | 45.4B | 1997 | 244B | 2013 | 1.74T |
| 1982 | 52.4B | 1998 | 267B | 2014 | 1.89T |
| 1983 | 59.2B | 1999 | 256B | 2015 | 2.09T |
| 1984 | 63.3B | 2000 | 314B | 2016 | 2.41T |
| 1985 | 71.7B | 2001 | 374B | 2017 | 2.84T |
| 1986 | 85.2B | 2002 | 390B | 2018 | 3.42T |
| 1987 | 94.5B | 2003 | 424B | 2019 | 4T |
| 1988 | 102B | 2004 | 454B | 2020 | 4.22T |
| 1989 | 117B | 2005 | 525B | 2021 | 4.56T |
| 1990 | 125B | 2006 | 585B | 2022 | 5.18T |
| 1991 | 134B | 2007 | 634B | 2023 | 5.67T |
| 1992 | 144B | 2008 | 869B | 2024 | 6.02T |
| 1993 | 167B | 2009 | 893B | 2025 | 6T |
| 1994 | 186B | 2010 | 1.01T | 2026 | 7.63T |
| 1995 | 218B | 2011 | 1.27T | | |